<template>
  <div class="page login-page">
    <link rel="stylesheet" href="/css/bootstrap.min.css">
    <link rel="stylesheet" href="/css/admin.css" id="theme-stylesheet">

    <div class="container d-flex align-items-center">
      <div class="form-holder has-shadow">
        <div class="row">
          <div class="col-lg-6">
            <div class="info d-flex align-items-center">
              <div class="content">
                <div class="logo">
                  <img src="/img/whatsapp.jpeg" style="width: 48px;height: 48px;" />
                  <h1>WsProtocol - Group</h1>
                </div>
                <p style="font-size: 14px;">
                  <i class="wshub wshub-robot"></i>
                  自助拉群平台
                </p>
              </div>
            </div>
          </div>
          <!-- Form Panel    -->
          <div class="col-lg-6 bg-white">
            <div class="form d-flex align-items-center">
              <div class="content">
                <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on" label-position="left">
                  <div style="color: #000;font-size: 16px;text-align: right;">
                    <el-dropdown trigger="click" class="international" @command="handleSetLanguage">
                      <div style="font-size: 16px;color: #000;">
                        <svg-icon class-name="international-icon" icon-class="language" />
                      </div>
                      <el-dropdown-menu slot="dropdown">
                        <el-dropdown-item :disabled="language==='zh'" command="zh">
                          简体中文
                        </el-dropdown-item>
                        <el-dropdown-item :disabled="language==='en'" command="en">
                          English
                        </el-dropdown-item>
                      </el-dropdown-menu>
                    </el-dropdown>
                  </div>
                  <el-form-item prop="username">
                    <el-input
                        ref="username"
                        v-model="loginForm.username"
                        :placeholder="$t('login.username')"
                        name="username"
                        type="text"
                        tabindex="1"
                        autocomplete="on"
                    />
                  </el-form-item>

                  <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
                    <el-form-item prop="password">
                      <el-input
                          :key="passwordType"
                          ref="password"
                          v-model="loginForm.password"
                          :type="passwordType"
                          :placeholder="$t('login.password')"
                          name="password"
                          tabindex="2"
                          autocomplete="on"
                          @keyup.native="checkCapslock"
                          @blur="capsTooltip = false"
                          @keyup.enter.native="handleLogin"
                      />
                    </el-form-item>
                  </el-tooltip>

                  <el-button :loading="loading"
                             type="primary"
                             style="width:100%;margin-bottom:30px;"
                             @click.native.prevent="handleLogin">
                    {{$t('login.logIn')}}
                  </el-button>


                </el-form>

                <br />
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>

  </div>
</template>

<script>
import md5 from 'js-md5';

export default {
  name: 'Login',
  data() {
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error(this.$t('login.min6len')))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: '',
        password: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur',message: this.$t('login.usernameRequired')}],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      language:'zh',
      passwordType: 'password',
      capsTooltip: false,
      loading: false,
      showDialog: false,
      redirect: undefined,
      otherQuery: {}
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        const query = route.query
        if (query) {
          this.redirect = query.redirect
          this.otherQuery = this.getOtherQuery(query)
        }
      },
      immediate: true
    }
  },
  created() {
    // window.addEventListener('storage', this.afterQRScan)
  },
  mounted() {
    if (this.loginForm.username === '') {
      this.$refs.username.focus()
    } else if (this.loginForm.password === '') {
      this.$refs.password.focus()
    }
  },
  destroyed() {
    // window.removeEventListener('storage', this.afterQRScan)
  },
  methods: {
    handleSetLanguage(lang) {
      this.$i18n.locale = lang
      this.$store.dispatch('app/setLanguage', lang)
      this.$message({
        message: 'Switch Language Success',
        type: 'success'
      })
    },
    checkCapslock(e) {
      const { key } = e
      this.capsTooltip = key && key.length === 1 && (key >= 'A' && key <= 'Z')
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          let loginData = {
            username:this.loginForm.username,
            password:md5(this.loginForm.password)
          };
          this.loading = true
          this.$store.dispatch('user/login', loginData)
              .then(() => {
                this.$router.push({ path: this.redirect || '/', query: this.otherQuery })
                this.loading = false
              })
              .catch((e) => {
                this.loading = false
                if(e.code != undefined && e.code == 1){
                  this.$notify.error({title:'登录失败',message:e.msg});
                }
              })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== 'redirect') {
          acc[cur] = query[cur]
        }
        return acc
      }, {})
    }
    // afterQRScan() {
    //   if (e.key === 'x-admin-oauth-code') {
    //     const code = getQueryObject(e.newValue)
    //     const codeMap = {
    //       wechat: 'code',
    //       tencent: 'code'
    //     }
    //     const type = codeMap[this.auth_type]
    //     const codeName = code[type]
    //     if (codeName) {
    //       this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
    //         this.$router.push({ path: this.redirect || '/' })
    //       })
    //     } else {
    //       alert('第三方登录失败')
    //     }
    //   }
    // }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>
